Changsheng Bearing won the order of sliding bearings for wind power main gearbox

 After successfully completing the sliding bearing test of the main gearbox of the 6MW semi-direct drive model and achieving initial results, Changsheng Bearing continued to promote the orderly development of related work, and has recently obtained an order for the sliding bearing of the wind power main gearbox from the main engine plant. After the relevant products are delivered, the main gearbox with sliding bearings will be installed on the wind turbine by the OEM for on-hook testing.

Changsheng Bearing cooperated with the main engine manufacturer to build the first 1:1 ratio main gearbox sliding bearing test bench in China that simulates the rotation of the planetary gear relative to the planetary pin shaft, and successfully completed the test of the main gearbox sliding bearing of the 6MW semi-direct drive model. The company is at the forefront of domestic counterparts in the manufacturing and test verification of sliding bearings for wind power main gearboxes. At the same time, it has laid a solid technical foundation for the development and mass production of sliding bearings for subsequent higher-power models.

The planetary gear bearings of the wind power main gearbox use sliding bearings instead of rolling bearings, which can greatly increase the torque density of the main gearbox. At present, the torque density of the main gearbox using sliding bearings has reached 220Nm/kg, making the structure of the main gearbox more compact . Compared with rolling bearings, sliding bearings have a greater load-carrying capacity. The oil film of sliding bearings has good vibration absorption and impact resistance. The structure of sliding bearings is simple and the price has obvious advantages. Therefore, under the double drive of technology and cost, the future wind power main gearbox It is an inevitable trend for planetary gear bearings to replace rolling bearings with sliding bearings.

Changsheng Bearing is committed to becoming a global strategic partner of high-performance tribology and polymers, and will actively provide customized solutions for wind energy, nuclear energy and other clean energy fields, help the realization of the "double carbon" goal, and contribute to caring for the earth.

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The Department of Industry and Information Technology of Hebei Province held an industrial docking event for steel and bearing companies

On December 26, the Department of Industry and Information Technology of Hebei Province organized Hebei Special Steel Enterprises and Bearing Steel Enterprises to gather in Linxi County, Xingtai City to carry out industrial docking activities, visit Linxi Bearing production enterprises, conduct on-site docking negotiations, and reach an agreement Approval of cooperation intentions.

It is reported that the theme of this event is "accurate docking, win-win cooperation", co-sponsored by Hebei Provincial Department of Industry and Information Technology and Linxi County People's Government, aiming to build a cooperation and exchange platform between steel and bearing enterprises, and promote Hebei's special The in-depth cooperation between steel companies and bearing steel companies establishes business partnerships, takes the road of win-win cooperation, and promotes the common development of the upstream and downstream of the industrial chain.

Song Xiangdang, a member of the party group and deputy director of the Department of Industry and Information Technology of Hebei Province, attended the event and delivered a speech. He pointed out that Linxi Bearing is a well-known bearing industry cluster in the country and has formed a relatively complete industrial chain. There is a real demand for high-end steel and Great potential. At the same time, currently Hebei iron and steel enterprises are facing problems such as weakening demand and declining profits. They need to further improve their service capabilities, and drive and expand the downstream market with high-quality technical services and material solutions. It is hoped that Linxi bearing companies will cooperate closely with steel companies in the province to continuously improve the level of raw materials and product grades, jointly develop markets, coordinate innovation and develop together, and form a model for the coupling development of Hebei's county-level characteristic industrial clusters to promote high-quality industrial development in Hebei. Contribute.

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Waigang Project of Shanghai Electric Bearing Production Base started construction

 On the afternoon of December 12, the groundbreaking ceremony for the bearing production base (Waigang) project of Shanghai Jiyou Machinery Co., Ltd., a subsidiary of Shanghai Electric, was held in Waigang Town, Jiading District. Zhou Zhiyan, chief financial officer and secretary of the board of directors of Shanghai Electric, attended the event.

The bearing production base (Waigang) project is located at No. 5291 and 5278 of Huyi Highway, east to the border of the plot, south to Xiqilian River, west to the border of the plot, and north to Waigang Chenjing. The proposed total construction area is 37,411 square meters m, including 3 single-storey main factory buildings, 1 multi-storey R&D comprehensive office building and related supporting facilities.

The base plan focuses on the "import substitution" of bearings for high-end equipment such as rail transit, new energy vehicles, and aerospace. The "integrated" manufacturing base built under the round of strategic planning and development layout.

In the future, Shanghai United Rolling Bearing Co., Ltd., the project investor, will deploy relevant functions in the base to form four centers: sales operation center, research and development center, procurement center, and high-end manufacturing center, and build the bearing production base (Waigang) into a track in East China Transportation bearings and robot reducer bearing demonstration bases and bearing R&D and manufacturing bases. After the project is put into production, it is expected to produce 40 million sets of high-precision bearings annually, and at the same time create about 1,000 new jobs.

Before the ceremony, Zhou Zhiyan visited the on-site staff. At the subsequent symposium, he said that bearings are widely used in the machinery industry, and the bearing manufacturing industry is a strategic basic industry that my country focuses on, and is also an important industry for Shanghai Electric. one. In terms of construction, it is necessary to give full play to Shanghai Electric's advantages in intelligent manufacturing, energy conservation and environmental protection, promote the construction of intelligent industrial parks, ensure high quality and high standards to complete the project as planned, and make it a demonstration project for regional industrial projects. In addition, the project must adhere to the principle of economy on the premise of ensuring that the construction does not reduce requirements; it must be implemented in accordance with procedures and regulations, strengthen supervision and supervision, and strengthen safety awareness.

Shanghai Electric Real Estate Co., Ltd., as a professional agency construction company, undertakes the relevant responsibilities of the construction unit of the project, and establishes the Waigang Project Department to manage it throughout the cycle. At present, the project has completed the plann

ing declaration and start-up declaration, obtained the "Construction Project Planning Permit" and "Construction Permit", and completed the government's start-up and re-inspection, three links and one equalization work.

Relevant persons in charge of the Group's Industrial Development Department, Real Estate Company, Jiyou Company, Mechanical and Electrical Design Institute, participating units, and supervision companies attended the groundbreaking ceremony.

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"China · Linxi Bearing Industry Index" officially released

 On December 8, the "China Linxi Bearing Industry Index" was officially released. As a result, Linxi Bearing took the digital express train and entered the "exponential era".

As one of the important manifestations of digital technology empowering industrial development, index monitoring is also the actual embodiment of industrial digitization. "China · Linxi Bearing Industry Index" is based on industrial characteristics and industrial development direction, through data collection, sorting, and analysis, specifically set up product price index, industrial development index, market prosperity index, industrial competitiveness index, and brand influence index . The index data analysis will be released regularly on a monthly and quarterly basis, comprehensively and objectively reflecting the development status and dynamic trends of the bearing industry, and providing a reference for government decision-making.

Lu Yanchun, director of the Price Monitoring Center of the National Development and Reform Commission, said that the compilation and release of the "China Linxi Bearing Industry Index" has filled the gap in my country's bearing industry index and has great practical significance for guiding the healthy development of the industry.

The bearing industry is a characteristic industry in Linxi County. After half a century of development, Linxi has become the largest carbon stee

l bearing production and export base in the country, the largest bearing production base and bearing business distribution center in North China, and is known as "the hometown of bearings in China". . Meng Xianpeng, secretary of the Linxi County Party Committee, said that the release of the index has a guiding role in the development of the bearing industry and effectively enhances the brand awareness of Linxi Bearing. Fundamental transformation of the county's leading industries and pillar industries.

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Jingye Group keeps moving! Signed strategic cooperation agreements with many companies

 Since 2022, under the guidance of "strengthening the supply chain, stabilizing the industrial chain, and enhancing the value chain", Jingye Group has actively established long-term and stable strategic partnerships with industry leaders, and achieved mutual benefit and win-win through resource sharing and complementary advantages.

Jingye Group signed a strategic partnership agreement with Zhejiang Shuangjian Rubber Co., Ltd.

On December 17, Jingye Group and Zhejiang Shuangjian Rubber Co., Ltd. held a discussion and exchange through the "online + offline" method. The two parties adhered to the principle of "equality and mutual trust, mutual benefit, common development, and win-win cooperation". To deepen the technological strategic cooperation in the conveyor belt industry, establish a long-term and stable strategic partnership, and sign a strategic cooperation agreement. Jingye Group will join forces with Shuangjian Co., Ltd. to give full play to their respective advantages, deepen exchanges, carry out all-round, wide-ranging, and in-depth strategic cooperation, stabilize the stability of conveying equipment, and help Jingye products occupy the high ground in the industry.

Founded in 1986, Zhejiang Shuangjian Rubber Co., Ltd. is a high-tech enterprise specializing in the production of rubber conveyor belts and the design and service of material conveying system solutions. The company was listed on the Shenzhen Stock Exchange in April 2010, with total assets of 2.803 billion yuan. It ranks among the top three in the global conveyor belt industry and ranks first in the world in the production capacity of a single factory. It has ranked first in the comprehensive ranking of China's conveyor belt industry for 12 consecutive years. , is one of the main drafting units of conveyor belt international, national and industry standards.

Jingye Group signed a strategic partnership agreement with Suzhou Inovance Technology Co., Ltd.

On December 12, Jingye Group and Suzhou Inovance Technology Co., Ltd. held a discussion via video, and reached a cooperation agreement on deepening cooperation in the field of industrial automation in the metallurgical industry, jointly building laboratories, and cultivating technical talents, and signed a strategic partnership agreement. The signing of this strategic partnership agreement has laid a foundation for improving the automation level of Jingye Group's metallurgical equipment industry, cultivating technical talents and introducing emerging energy storage technologies.

Shenzhen Inovance Technology Co., Ltd., the parent company of Suzhou Inovance Technology Co., Ltd., was established in April 2003. It was successfully listed on the A-share Growth Enterprise Market on September 28, 2010. The company's current market value is about 190 billion yuan. The main business is the production and sales of industrial automation products. In 2021, the company will achieve a total operating income of 17.943 billion yuan and a profit of 3.573 billion yuan. It is a leading enterprise in China's inverter industry.

Jingye Group signed a strategic partnership agreement with Liaoning Wafangdian Bearing Co., Ltd.

In October, Li Yong, deputy general manager of Liaoning Wafangdian Bearing Co., Ltd., and 5 people visited Jingye Group. Li Huiming, general manager of Jingye Group, and relevant leaders of the Purchasing Department, Motor Department, and Gaopin Steel warmly received them. The two sides will deepen business cooperation. Sign a strategic partnership agreement with Technology Exchange. The signing of this strategic partnership is of great significance. Through the cooperation between the two parties, the localization of Jingye Bearing will be gradually realized and the procurement cost will be greatly reduced. At the same time, by establishing a long-term and stable cooperative relationship with industry leaders, the stability of production equipment is improved, product quality is continuously improved, and a solid foundation is laid for occupying the high ground in the market.

Liaoning Wafangdian Bearing Co., Ltd. was founded in 1938. Its comprehensive economic and technical indicators rank first in the domestic bearing industry. It is the birthplace of China's bearing industry and the largest bearing enterprise in China. It is now state-owned by the Dalian Municipal People's Government. Assets Supervision and Administration Commission direct supervision.

Heavy! Jingye Group officially signed a strategic investment agreement with Caofeidian Free Trade Zone

On October 26, the Tangshan Municipal Party Committee and Municipal Government organized the Caofeidian Management Committee of China (Hebei) Pilot Free Trade Zone and Jingye Group to hold a grand signing event for international trade projects. Wu Weidong, member of the Standing Committee of the Hebei Provincial Party Committee and secretary of the Tangshan Municipal Party Committee, Tian Guoliang, deputy secretary of the Tangshan Municipal Party Committee and mayor, Li Huiming, general manager of Jingye Group, and relevant leaders attended the signing ceremony.

After the cooperation between the two parties, Jingye Group will take advantage of the advantages of Tangshan port and manufacturing industry, relying on the support of Tangshan's vast hinterland, manufacturing industry, strong industrial foundation, and numerous industrial talents, to vigorously develop logistics trade and scrap metal recycling and processing industries. Adhere to the development strategy of making international trade bigger and stronger, relying on the scale advantage of the steel industry, set up global layout, export made in China, import international resources, and develop international trade into a new engine for dedicated, green development and sustainable growth.

The establishment of Jingye Group's international trade project in Caofeidian Free Trade Zone is a fruitful result with the care and support of Tangshan Municipal Party Committee and Municipal Government, and it is also the beginning of Jingye Group's layout and investment in Tangshan. In the future, with the care and support of Tangshan Municipal Party Committee and Municipal Government and Caofeidian Free Trade Zone Management Committee, the local industry of Jingye Group will continue to grow and develop, and actively make due contributions to Tangshan's economic development.

Jingye Group signed a contract with Guangdong Yuebei United Iron and Steel Co., Ltd.

On October 25, Jingye Group successfully acquired Guangdong Yuebei United Iron and Steel Co., Ltd., and held a grand signing ceremony at Yuebei United Iron and Steel Co., Ltd., which became another major decision of Jingye Group's strategic layout in South China after the acquisition of Guangdong Taidu Iron and Steel in 2020.

Guangdong Yuebei United Iron and Steel Co., Ltd. is located in the beautiful back garden of Guangzhou City—Qingyuan Overseas Chinese Industrial Park. It is a key private iron and steel enterprise in northern Guangdong. The company was established in July 2010 with a registered capital of 120 million yuan and a total area of 817.36 mu. It is a rare combination of short and long processes in the province. It integrates oxygen production, power generation, sintering, ironmaking, steelmaking, and continuous rolling. It is a modern iron and steel complex based on production technology, and its leading products are hot-rolled ribbed steel bars for reinforced concrete, smooth round steel bars, etc. The company is 160 kilometers away from Guangzhou, with superior geographical location and convenient transportation.

Jingye Iron and Steel and Guilin Pinggang have reached a strategic cooperation and officially established Jingye New Materials South China Base!

On February 25, the establishment of Jingye New Materials South China Base and the strategic cooperation signing ceremony between Jingye Iron and Steel and Guilin Pinggang Iron and Steel Co., Ltd. were successfully held in Guangxi Xingui Steel Group. The high-quality development of the factory will jointly build a green, low-carbon and economical industrial ecosystem, and become a leader in new materials with industry influence and competitiveness.

Pinggang Iron and Steel Company has an annual production capacity of 1.2 million tons of steel products, and invested 1.6 billion yuan to introduce the first German Siemens quantum electric arc furnace steelmaking equipment and the Italian Danieli Group company's continuous casting and rolling endless rolling rod and wire production lines. The world's most advanced short-process steel bar and wire production equipment. It has the characteristics of energy saving and environmental protection, and excellent product performance. The energy consumption per ton of steel and environmental protection emission indicators are industry-leading.

Electric furnace ultra-low carbon steelmaking is the development trend of the steel industry in the future. The successful signing of Jingye Iron and Steel and Pinggang Iron and Steel marks that Jingye New Materials has officially opened the "base steel plant" operation mode, and is moving towards green, low-carbon and high-quality development. The goal has taken a new step. In the future, Jingye New Materials will also continue to promote the "base steel plant" operation model, strengthen cooperation with steel companies in the region, and while promoting its own high-quality development, it will also lead the common development of regional steel companies and provide more guarantees for key projects. More high-quality products and services contribute greater value to the development of the regional economy.

Jingye Group is a cross-industry enterprise group with steel as its main business and concurrently engaged in steel deep processing, additive manufacturing 3D printing, international trade, and health and tourism. In 2021, the group's sales revenue will be 237.9 billion yuan, and the tax paid will be 4.551 billion yuan. In 2022, it will rank 112th among the top 500 national enterprises and 46th among the top 500 Chinese manufacturing enterprises. From 2021, it has been included in the Fortune Global 500 list for two consecutive years, and will be ranked 386 in 2022. In order to make Jingye Iron and Steel bigger and stronger, Jingye Group acquired Wugang on September 28, 2014, British Steel on March 9, 2020, and Guangdong Taidu Iron and Steel on September 11, 2020, becoming a multinational enterprise group.

Strengthening cooperation and "grouping" development have become the only way for iron and steel enterprises to achieve high-quality development. Jingye Group continues to expand cooperation fields, broaden cooperation channels in many ways, reduce material consumption, reduce procurement costs, establish long-term and harmonious strategic partnerships with partners, and promote high-quality development of enterprises!

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The difference between spherical roller bearings and cylindrical roller bearings

 Spherical roller bearing

Spherical roller bearings have two rows of rollers and are inseparable bearings. Mainly bear radial load, but also can bear axial load in any direction. It has high radial load capacity and is especially suitable for working under heavy load or vibration load. The outer ring raceway of this type of bearing is spherical, so its self-aligning performance is good and can compensate for coaxiality errors.

Spherical roller bearings have two types of inner holes: cylindrical and conical, and the taper of the conical taper hole is 1:30 and 1:12. This conical inner hole bearing is equipped with an adapter sleeve or a withdrawal sleeve. The tapered inner hole self-aligning ball bearing can be easily and quickly assembled on the optical shaft or the stepped machine shaft.

Spherical roller bearing models are: Spherical Roller Bearing (20000CC Type); Tapered Bore Spherical Roller Bearing (20000CCK Type); Spherical Roller Bearing (20000CC/W33 Type); Tapered Bore Spherical Roller Bearing ( 20000CCK/W33 type); spherical roller bearing mounted on the adapter sleeve (20000CCK+H type); spherical roller bearing mounted on the adapter sleeve (20000CCK/W33+H type) a total of 6 kinds.

Cylindrical Roller Bearings

Cylindrical rollers and raceways are linear contact bearings. Load capacity, mainly bear radial load. The friction between the rolling element and the rib of the ring is small, which is suitable for high-speed rotation. According to whether the ring has ribs or not, it can be divided into: NU, NJ, NUP, N, NF and other single-row cylindrical roller bearings and NNU, NN and other double-row cylindrical roller bearings. The bearing is a structure in which the inner ring and the outer ring can be separated.

Features of cylindrical roller bearings:

1. The roller and the raceway are in line contact or trimmed line contact, and the radial bearing capacity is large, which is suitable for bearing heavy loads and impact loads.

2. The friction coefficient is small, suitable for high speed, and the limit speed is close to that of deep groove ball bearings.

3. N type and NU type can move axially, which can adapt to the change of the relative position of the shaft and the shell caused by thermal expansion or installation error, and can be used as free end support.

4. The processing requirements for the shaft or seat hole are high. After the bearing is installed, the relative deflection of the outer ring axis should be strictly controlled to avoid contact stress concentration.

5. The inner ring or outer ring can be separated for easy installation and removal.

Dear Sir/Madam, Kindly send your best prices for the 2RS type rubber shield for the 6018 & 6012 bearings. Monthly consumption would be 2000 

nos. for each bearing. Sample photo is attached for your reference Please do the needful, we are waiting for your valuable quotation. With 

Regards, Ravi Tank Vendor Development Engineer NISIKI INDIA PRIVATE LIMITED - ISO 9001:2008 & 14001:2004 CERTIFIED Manufacturing.....to End-

91-7666039393 "SAVE PAPER - THINK BEFORE YOU PRINT!

Hi! I find Bearing TA2015: Dimensions: Bore (d): 20 Diameter (D): 27 Width (B): 15 Is it in stock? I need 4 pieces. What is the price? I live 

in Russia Dmitry 

Price for 1 bearing RB12016

Dear Sir Please quote for : 40 Nos. GEF 80 ES 2RS

would be interested in importing all sizes of automobile bearings into india.

I need the price and how can i get this bearing

how much is 200RV2901,.. i wana 5 pieces

Application of bearings in the industry

 

The result of a motor without bearings is that the foundation cannot work. Because the shaft may move in any direction, and the motor requires that the shaft can only roll. On the surface, it is impossible to realize the benefits of transmission. Not only so, the bearing will also affect the transmission. In order to reduce this influence, it is necessary to achieve good lubrication on the bearings of the high-speed shaft. Some bearings themselves have been lubricated, which is called pre-lubricated bearings. Most of the bearings must have lubricating oil, which is responsible for high-speed operation, because the conflict will not only increase the energy consumption, but also terrifyingly easily damage the bearings.

The argument to turn sliding conflicts into rolling conflicts is one-sided, because there is something called a sliding bearing.

Advantages in the bearing industry:

1. Endurance bearings for rolling and pressing machinery and equipment in smelters, mines and iron and steel plants.

2. High-demand bearings for power equipment in power plants, gas turbines and motor plants. Most of this type of equipment is in continuous operation, the shaft bears a lot of force, it is difficult to assemble and disassemble, and it is inconvenient to replace, so the bearing quality is required to be very stable, wear-resistant and pressure-resistant. Ordinary manufacturers accept more imports, such as Swedish SKF bearings, German FAG bearings, Japanese NSK bearings, NTN bearings and other imported bearing brands.

Third, printing, packaging machinery, food machinery plastics, chemical fiber machinery, film stretching, and so on. With the development of science and technology, this kind of mechanical equipment has been continuously improved, and the changes have advanced by leaps and bounds; Most of the conveyor belts are spherical bearings imported from NSK bearings, which are easy to install, beautiful and modern, and easy to replace, and are deeply loved by users. The tension part of the main engine also accepts inlet bearings. At the same time, link bearings, one-way bearings, guide bearings, needle roller bearings, BOPP, PVC stretch film equipment are equipped with high temperature bearings in the drying box.

Fourth, textile, dyeing, shoe-making, tobacco machinery selection of bearings. This type of bearing is small and exquisite, efficient and durable, requires high speed and low noise, and cannot be produced by non-powerful famous factories. Because of its special equipment, different designs, and different bearings, it is generally impossible to prepare the stock, and it is not easy to find it by chance (only customers who often come and go can inquire about it in case of emergency), so it is recommended that users do Use one to prepare one to avoid waiting for parts to stop work and affect production.

5. Bearings are selected for beer, beverage equipment and medical equipment. Bearings are selected for crushing, ceramic machinery and fine chemical machinery. The working environment of this type of equipment is poor, and there are many influences such as water mist, moisture, dust, acid and alkali, etc., which require strong bearing sealing, sufficient and reasonable amount of grease, and can increase grease when necessary.

Good afternoon. Let us know the price and possibility of shipment of bearings S/B4-650-9038LT 2RS in quantity of 100 pieces. In case of 

positive decision, please specify the date of shipment and which shipping company can send. With respect the Trading House \"Bearing\" .

Dear Ladies and Gentlemen, we need to buy 8x22x11 hybrid bearings (Si3N4 balls, steel races) with no seal and preferably with a PEEK cage. We 

need them to run at 60.000rpm continuously. Please send a quote for 1000pc and a quote and invoice for 5pc (sample quantity) if you can 

deliver. Kind regards, Helge B. Wurst

PLEASE SEND ME PRICE WITH FREIGHT FOR 5 PC OF WR27256 WATER PUMP BEARING, AS SOON AS POSSIBLE.

Price for 10 units posted to Kingaroy, Queensland, Australia, 4610

Can you please give me a Price for 2 pcs. sbr20 L 1200mm and 4 pcs. sbr20uu I also need to have the shipmentprice to Denmark Best regards 

Bent Olsen

Common Failure Modes and Condition Monitoring Methods of Rolling Bearings

 

As important basic rotating machinery parts in various industrial fields, rolling bearings are widely used. According to statistics, about 30% of the mechanical failures in our country are caused by bearing damage, so its operating state has a huge impact on the normal operation of the equipment. During the operation of the rolling bearing, the temperature of the bearing increases due to lack of oil, lack of oil or collision, friction, etc., and the phenomenon of "burning shaft" will occur; the bearing is damaged due to fatigue wear, indentation, cracks, surface peeling, adhesion and impurities. , resulting in impact vibration, which will cause the foundation anchor bolts to vibrate and break, the bearings to burn out, and the bearing bushes to fly out.

Once a failure occurs, it will not only seriously affect the normal operation of the entire machine, but also may cause personal injury and bring huge economic losses to the enterprise. Therefore, it is necessary to monitor the running state of rolling bearings to avoid sudden failures. Let's take a look at the forms of bearing failure and the commonly used condition monitoring methods.

one

Common failure forms of rolling bearings

Rolling bearings may fail due to various reasons during operation, such as improper assembly, poor lubrication, stress corrosion and overloading, which may lead to premature bearing failure. There are many failure forms of rolling bearing failures, which may generally be classified into four types: wear failure, fatigue failure, fracture failure, and glue failure.

1. Wear failure.

Poor lubrication conditions of rolling bearings or the presence of dust or deterioration in the lubricant causes direct contact between the rotating parts of the bearing, resulting in mechanical friction or wear of tiny particles. Continuous bearing wear increases bearing clearance and equipment vibration.

2. Fatigue failure.

The main cause of fatigue failure of rolling bearings is the alternating stress caused by the load. When the shaft rotates at high speed, due to the repeated impact of the huge alternating contact stress of the bearing, fatigue pitting corrosion occurs on the metal surface of the bearing element, spalling occurs, and small pits are formed.

3. Fracture failure.

When the bearing load is too large, stress concentration occurs in a certain part of the bearing when it is impacted, and pitting corrosion causes cracks, which in turn causes the bearing components to break.

4. The gluing fails.

Gluing refers to the bearing failure caused by the partial fusion of the raceway and the rolling element surface due to overheating. It is often caused by high speed, high temperature, heavy load and poor lubrication.

two

Main Condition Monitoring Methods of Rolling Bearings

The condition monitoring technology for rolling bearings mainly includes vibration signal analysis, bearing lubrication condition monitoring, oil analysis, temperature monitoring, etc.

1. Vibration signal analysis and diagnosis method

Among the condition monitoring and fault diagnosis methods of various rolling bearings, the vibration signal analysis and diagnosis method has the strongest coverage for different failure modes (fault locations) of the bearing, and is also the most widely used.

When there is local damage on the surface of the rolling bearing element, the bearing will generate periodic pulse excitation during operation, and the pulse is a broadband signal. Below), mid-band spectrum (1~20KHz), high-band spectrum (above 20KHz).

2. Bearing lubrication state monitoring and diagnosis method

When the lubrication state of the bearing rolling surface changes, such as from complete liquid lubrication to dry friction, the proportion of time in direct metal-to-metal contact increases, the shock pulse value also increases, and the oil film resistance decreases. In view of this phenomenon, two monitoring methods are commonly used in practical work: the oil film thickness method and the oil film resistance diagnosis method.

3. Oil analysis and diagnosis method

The main ways of rolling bearing failure are wear, fracture and corrosion, etc. The main reason is improper lubrication. Therefore, by systematically analyzing the lubricating oil used during operation, and testing the content of various abrasive particles in the oil, you can understand the lubrication and lubrication of the bearing. Wear state, make early forecasts for various hidden troubles, find out the causes and locations of failures, and take timely measures to prevent the occurrence of malignant accidents.

4. Temperature monitoring and diagnosis method

As a rotating machine, the rolling bearing will generate heat on its surface during operation. If some kind of damage occurs, its temperature changes, so bearing temperature can be monitored to diagnose bearing failure.

2.0 SKF 32222 J BRG 2.0 SKF 3310 A 2ZNR C3 BRG 1.0 SKF 29434 EJ BRG email only. no phone calls, please include ETA and freight to our address

Hello, please make me an offer for one or two of this bearing. Shipping to Germany, normal and Express. Payment by PayPal if it´s possible. 

Thank you very much in advance. I look forward to hearing from you soon, Best regards 

Hi i look four eco-cr-10a22.2/22.1 eco-cr-10a21.1 eco-cr-08a76.1 eco-cr-06a75.1 price?

PLEASE QUOTE US 24 PIECES WITH LEAD TIME.

New App project for traceability of super-precision bearings

At the AMB fair, which opened in Stuttgart today, SKF is showcasing a new App project: The future App will be aiming at the traceability of super-precision bearings. Apart from this, SKF also wants to enhance its Traceability App with a few practical functions for everyday business life. Ultimately, it should also represent a further step towards "Industry 4.0" for SKF.

With the planned Traceability App from SKF, the most important specifications of SKF super-precision bearings will be at hand on commercially available smartphones and tablets. The user simply scans the Data Matrix Code on the future packages or bearings. This provides information on the exact marking of the bearing and when and where the bearing was manufactured. A measurement report will also be included. 
The App is not only programmed to contribute to the traceability of each bearing, but also to facilitate the grouping of several bearings. This is particularly helpful if the user is looking for a matching pair of bearings. 
In addition, SKF intends to make the App provide the correct installation instructions for the respective high-precision bearing - in digital form, of course. This will contribute to less "paperwork" and thus will help preserve resources. Just as time-saving, the user will also have direct access to the relevant bearing calculation tools from SKF. 
In the future, the Data Matrix Code will probably even offer customers the possibility of uploading the scanned bearing data directly into their own "cloud" for further processing. This way, the customer could use the data, for example, for logistics within his own production process or for the tasks of his design department. Because of this, SKF’s software engineers are already toying with the idea of including additional bearing parameters in later App updates. In order to keep track of the increasing number of specifications, SKF will enable the user to define individual display options - depending on the customer’s information needs. 
Some selected beta testers will start checking the Traceability App from SKF for its usability shortly after the fair. The App is planned to be publicly available in the first quarter of 2019.

Best Bearings For Penny Board Deals are Now Available Online

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FREEDARE Skateboard Wheels 60mm 83a with Bearings and Spacers Cruiser Wheels (Blue,Pack of 4)
Features
•Wheel size: 60mm diameter x 45mm width; Durometer count: 83A Polyurethane wheels.
•Set of 4 wheels.There comes with ABEC-7 high steel bearings and spacers, which have been installed on wheels.
•They roll pretty smooth,very durable for street skating and extremely smooth on skate park terrain.
•These wheels are perfect for penny board.They are great for cruising and many early street tricks.They can also do well on smooth concrete or asphalt.
•There is delicate packaging,and the design keeps boards cool. It is better for gift.
Product Description
You will receive 4 wheels already assembled including bearings and spacers60mm skateboard wheels 83a Bearing steel is pre-lubricated and compared to others, the lubricated bearing steel is much better in speed and durabilityThey are durability and cool when playing, it's much effort for cruising wheels, but they are too tall and too wide for smaller boards and tricksThey are smooth riding wheels and inexpensive but great qualityThe wheels are easy to install, just simply place the wheels on the axle like regular wheels.

K395A/K3920 tapered roller bearings Single row inch 0.981 kg

K395A/K3920 Single row inch tapered roller bearings basic dimensions and specification

Code:	K395A/K3920	Current number
Type:	Single row inch tapered roller bearings	Category
Main demensions:
d:	66.675 mm	Inside diameter
D:	112.712 mm	Outside diameter
T/H/B:	26.967 mm	Thickness/width diameter
Calculation data:
Cr:	90 kN	Basic dynamic load rating, radial
Cor:	117 kN	Basic static load rating, radial
Grease rpm	2800 r/min	Reference speed
Oil rpm:	3800 r/min	Limiting speed
M:	0.981 kg	Mass
Detailed parameters and installation dimensions:
d: 66.675 mm( 2.625 inch), D: 112.712 mm( 4.437 inch), T: 26.967 mm( 1.062 inch), B: 21.996 mm( 0.866 inch), C: 23.812 mm( 0.937 inch), r(min): 3.3 mm, R(min): 0.8 mm, e: 0.4 , Y: 1.49 , Y0: 0.82 , a: 26

K575/K572A6 tapered roller bearings Single row inch

K575/K572A6 Single row inch tapered roller bearings designations and dimensions and supplier inquiries (for Bissau), dimensions: 76.2 × 139.992 × 36.512, The complete bearing designation may consist of a basic designation with or without one or more supplementary prefixes and suffixes and picture, Weight, Load carrying capability(Dyn.cr, Stat.cor) and other information

K575/K572A6 Single row inch tapered roller bearings basic dimensions and specification

Code:	K575/K572A6	Current number
Type:	Single row inch tapered roller bearings	Category
Main demensions:
d:	76.2 mm	Inside diameter
D:	139.992 mm	Outside diameter
T/H/B:	36.512 mm	Thickness/width diameter
Calculation data:
Cr:	187 kN	Basic dynamic load rating, radial
Cor:	290 kN	Basic static load rating, radial
Grease rpm	2400 r/min	Reference speed
Oil rpm:	3400 r/min	Limiting speed
M:	2.44 kg	Mass
Detailed parameters and installation dimensions:
d: 76.2 mm( 3 inch), D: 139.992 mm( 5.511 inch), T: 36.512 mm( 1.437 inch), B: 36.098 mm( 1.421 inch), C: 28.575 mm( 1.125 inch), r(min): 3.5 mm, R(min): 1.5 mm, e: 0.4 , Y: 1.49 , Y0: 0.82 , a: 32